diff --git a/app/assets/javascripts/job.js b/app/assets/javascripts/job.js
index fc13f467675e3209dc2ce408bba677aa85332046..d4f2a3ef7d3de1ed8063a21a4fe0fcf6fe382afe 100644
--- a/app/assets/javascripts/job.js
+++ b/app/assets/javascripts/job.js
@@ -164,7 +164,7 @@ export default class Job extends LogOutputBehaviours {
   // eslint-disable-next-line class-methods-use-this
   shouldHideSidebarForViewport() {
     const bootstrapBreakpoint = bp.getBreakpointSize();
-    return bootstrapBreakpoint === 'xs' || bootstrapBreakpoint === 'sm';
+    return bootstrapBreakpoint === 'xs';
   }
 
   toggleSidebar(shouldHide) {
diff --git a/app/assets/javascripts/pages/projects/wikis/wikis.js b/app/assets/javascripts/pages/projects/wikis/wikis.js
index dcd0b9a76ce46a6f28c87daeb919bfff8a30e963..d3e8dbf40008ab0ecedf2cbeba6715ebe650eb70 100644
--- a/app/assets/javascripts/pages/projects/wikis/wikis.js
+++ b/app/assets/javascripts/pages/projects/wikis/wikis.js
@@ -48,7 +48,7 @@ export default class Wikis {
 
   static sidebarCanCollapse() {
     const bootstrapBreakpoint = bp.getBreakpointSize();
-    return bootstrapBreakpoint === 'xs' || bootstrapBreakpoint === 'sm';
+    return bootstrapBreakpoint === 'xs';
   }
 
   renderSidebar() {
diff --git a/changelogs/unreleased/48471-sidebar-on-jobs-and-wikis-is-missing-at-small-widths.yml b/changelogs/unreleased/48471-sidebar-on-jobs-and-wikis-is-missing-at-small-widths.yml
new file mode 100644
index 0000000000000000000000000000000000000000..aaa816516c58eca273ad3d7c09516832157a1aa5
--- /dev/null
+++ b/changelogs/unreleased/48471-sidebar-on-jobs-and-wikis-is-missing-at-small-widths.yml
@@ -0,0 +1,5 @@
+---
+title: Fix sidebar collapse breapoints for job and wiki pages
+merge_request:
+author:
+type: fixed